18836800

素因数分解:

$2^6\times 5^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 84

約数和(自身を含む): 47354236

約数和(自身を除く): 28517436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 160, 193, 200, 244, 305, 320, 386, 400, 488, 610, 772, 800, 965, 976, 1220, 1525, 1544, 1600, 1930, 1952, 2440, 3050, 3088, 3860, 3904, 4825, 4880, 6100, 6176, 7720, 9650, 9760, 11773, 12200, 12352, 15440, 19300, 19520, 23546, 24400, 30880, 38600, 47092, 48800, 58865, 61760, 77200, 94184, 97600, 117730, 154400, 188368, 235460, 294325, 308800, 376736, 470920, 588650, 753472, 941840, 1177300, 1883680, 2354600, 3767360, 4709200, 9418400, 18836800]

約数ペア:

[(1, 18836800), (2, 9418400), (4, 4709200), (5, 3767360), (8, 2354600), (10, 1883680), (16, 1177300), (20, 941840), (25, 753472), (32, 588650), (40, 470920), (50, 376736), (61, 308800), (64, 294325), (80, 235460), (100, 188368), (122, 154400), (160, 117730), (193, 97600), (200, 94184), (244, 77200), (305, 61760), (320, 58865), (386, 48800), (400, 47092), (488, 38600), (610, 30880), (772, 24400), (800, 23546), (965, 19520), (976, 19300), (1220, 15440), (1525, 12352), (1544, 12200), (1600, 11773), (1930, 9760), (1952, 9650), (2440, 7720), (3050, 6176), (3088, 6100), (3860, 4880), (3904, 4825)]